@type t() :: %HL7v2.Segment.DG1{
  attestation_date_time: term(),
  confidential_indicator: term(),
  diagnosing_clinician: term(),
  diagnosis_action_code: term(),
  diagnosis_classification: term(),
  diagnosis_code: term(),
  diagnosis_coding_method: term(),
  diagnosis_date_time: term(),
  diagnosis_description: term(),
  diagnosis_identifier: term(),
  diagnosis_priority: term(),
  diagnosis_type: term(),
  diagnostic_related_group: term(),
  drg_approval_indicator: term(),
  drg_grouper_review_code: term(),
  extra_fields: term(),
  grouper_version_and_type: term(),
  major_diagnostic_category: term(),
  outlier_cost: term(),
  outlier_days: term(),
  outlier_type: term(),
  set_id: term()
}